using System;
using System.Runtime.InteropServices;
using System.Text;

namespace memdb_demo.Interop.WrapModels{

    [StructLayout(LayoutKind.Sequential)]
    public struct Order{

        [MarshalAs(UnmanagedType.ByValArray,SizeConst =20+1)]
        public byte[] OrderNo;

        public byte BuySellFlag;

    }
}